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KVM/arm64 fixes for 6.7, take #1

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- Avoid mapping vLPIs that have already been mapped
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Merge tag 'kvmarm-fixes-6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master

KVM/arm64 fixes for 6.7, take #1

 - Avoid mapping vLPIs that have already been mapped
This commit is contained in:
Paolo Bonzini 2023-12-08 13:11:42 -05:00
commit c8a11a938c
1 changed files with 4 additions and 0 deletions
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4
arch/arm64/kvm/vgic/vgic-v4.c
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@ -436,6 +436,10 @@ int kvm_vgic_v4_set_forwarding(struct kvm *kvm, int virq,
if (ret)
goto out;
/* Silently exit if the vLPI is already mapped */
if (irq->hw)
goto out;
/*
* Emit the mapping request. If it fails, the ITS probably
* isn't v4 compatible, so let's silently bail out. Holding